Top definition
A particularly foul form of morning breath caused by dining on fish or seafood the night before and then not brushing one's teeth post meal.

Popularized by Pat from Achewood.
"I'd send the bitch packing if she came to bed with a chum oven like yours"
by Birru August 26, 2008
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Soft and offensive. Just like you.

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2
How to describe the mouth of someone eating fish.
Tony: "Man shut your chumoven"

Andy: (with mouth full of rainbow salmon) "mmmmmmhhm mhmmh mmhmh"
by Jerkobson October 30, 2008
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The vengeful act of crapping on a lover's chest while they sleep.

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